GlobalISel: allow truncating pointer casts on AArch64.
llvm-svn: 285615
diff --git a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
index c577759..0dd725e 100644
--- a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
@@ -748,6 +748,7 @@
return constrainSelectedInstRegOperands(I, TII, TRI, RBI);
}
+ case TargetOpcode::G_PTRTOINT:
case TargetOpcode::G_TRUNC: {
const LLT DstTy = MRI.getType(I.getOperand(0).getReg());
const LLT SrcTy = MRI.getType(I.getOperand(1).getReg());
@@ -918,7 +919,6 @@
case TargetOpcode::G_INTTOPTR:
- case TargetOpcode::G_PTRTOINT:
case TargetOpcode::G_BITCAST:
return selectCopy(I, TII, MRI, TRI, RBI);
diff --git a/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp b/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp
index b8f1136..83f276a 100644
--- a/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp
@@ -169,7 +169,9 @@
setAction({G_FRAME_INDEX, p0}, Legal);
setAction({G_GLOBAL_VALUE, p0}, Legal);
- setAction({G_PTRTOINT, 0, s64}, Legal);
+ for (auto Ty : {s1, s8, s16, s32, s64})
+ setAction({G_PTRTOINT, 0, Ty}, Legal);
+
setAction({G_PTRTOINT, 1, p0}, Legal);
setAction({G_INTTOPTR, 0, p0}, Legal);